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Severe Dengue: 2 Critical Cases Treated at Jayavarman VII Hospital

Jayavarman VII Hospital warns of two severe dengue cases in young girls. Expats in Siem Reap are urged to step up mosquito protection and know the symptoms.

daily-life

Updated 2026-06-02 5 min

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In short

  • ●Two severe dengue cases (including one with shock) treated at Jayavarman VII Hospital in June 2026.
  • ●The patients are two young girls, aged 10 and 13, both in intensive care.
  • ●Dengue is most active during the rainy season; expats must protect themselves from mosquitoes.
  • ●The hospital urges vigilance and reminds of symptoms: fever, muscle pain, vomiting.
2
Severe cases treated
June 2026
Period
Jayavarman VII Hospital, Siem Reap
Location(s)
Phnom Penh Post
Source

Key Facts at a Glance

  • 2 severe dengue cases. Two young girls (aged 10 and 13) were admitted to intensive care at Jayavarman VII Hospital.
  • 1 case with dengue shock. One patient presented with dengue shock syndrome, a potentially fatal complication.
  • Rainy season. Dengue is most active from May to October, a period of high mosquito proliferation.
  • Call for vigilance. The hospital urges the public to seek medical attention at the first symptoms.
  • Fatality rate. Severe dengue can kill within 24 to 48 hours without prompt treatment.

How It Happened

The two cases were admitted a few days apart. Here is the timeline of events.

  1. Late May 2026: First patient, a 10-year-old girl, admitted with high fever and abdominal pain. Diagnosis: dengue with warning signs.
  2. Early June 2026: Second patient, aged 13, admitted in shock (collapsed blood pressure). Diagnosis: dengue hemorrhagic fever with shock syndrome.
  3. June 2, 2026: Jayavarman VII Hospital confirms the two cases and issues a statement urging vigilance.
  4. June 2026: Both patients are under intensive monitoring. Prognosis is guarded but stable.
  5. Coming weeks: Enhanced awareness campaign in schools and expat communities.

Breakdown

The reported cases involve children, but dengue affects all age groups. Here is the breakdown by population segment.

SegmentNumber of severe casesDetails
Children (0-15 years)2Both severe cases are young girls, the most vulnerable group.
Adult expats0 (reported)No severe cases reported among expats, but high risk during rainy season.
Local populationNot specifiedSporadic cases are common; the hospital treats several mild cases each week.
Other provincesNot availableThe 2026 dengue outbreak affects all of Cambodia, with hotspots in Phnom Penh and Battambang.

What This Means for You in Siem Reap

  • Boost your mosquito protection: use a repellent containing DEET, wear long clothing in the evening.
  • Eliminate standing water around your home (saucers, buckets, tires) to reduce breeding sites.
  • Install insecticide-treated mosquito nets on windows and around beds, especially for children.
  • Watch for symptoms: sudden fever, pain behind the eyes, severe headache, muscle/joint pain, nausea.
  • Seek medical attention immediately if warning signs appear: persistent vomiting, severe abdominal pain, bleeding, drowsiness.

How to Stay Safe

  1. Step 1: Apply an approved mosquito repellent (DEET 30-50%) to exposed skin, morning and evening.
  2. Step 2: Wear long, loose, light-colored clothing, especially at dawn and dusk.
  3. Step 3: Sleep under an insecticide-treated mosquito net, even if using air conditioning.
  4. Step 4: Empty or cover all water containers (buckets, flower pots, gutters) at least once a week.
  5. Step 5: Use electric diffusers or mosquito coils indoors.
  6. Step 6: If you have a fever, do not take aspirin or ibuprofen (bleeding risk). Use paracetamol instead.
  7. Step 7: See a doctor as soon as fever and muscle pain appear, especially if you have been in a risk area.

Frequently asked questions

What are the symptoms of dengue to watch for?
High fever (39-40°C), severe headache, pain behind the eyes, muscle and joint pain, nausea, vomiting, skin rash. Warning signs of severe dengue include severe abdominal pain, persistent vomiting, bleeding gums or nose, extreme fatigue, restlessness.
How can I effectively protect myself from mosquitoes in Siem Reap?
Use a repellent containing DEET (30-50%) on skin, wear long clothing treated with permethrin, sleep under a mosquito net, eliminate standing water around your home, and use electric diffusers or mosquito coils.
What should I do if I suspect dengue?
See a doctor immediately. Do not take aspirin or ibuprofen (bleeding risk). Rest, stay hydrated, and watch for warning signs. A blood test (PCR or NS1 antigen) confirms the diagnosis.
Is dengue dangerous for expats?
Yes, especially if not treated promptly. Expats who have never been exposed to the virus can develop severe forms. Prevention is key, especially during the rainy season.
Where can I get treated for dengue in Siem Reap?
Jayavarman VII Hospital is the reference facility for severe cases. Private clinics like Royal Angkor International Hospital or Siem Reap Provincial Hospital can also handle mild cases. In an emergency, call 119 (ambulance).

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Siem Reap Hub

The community guide for expats and travelers in Siem Reap, Cambodia